fix: read owner/cadence from properties in ai-context

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src-tauri/src/vault/getting_started.rs

@@ -567,7 +567,11 @@ mod tests {
 
         let entry = crate::vault::parse_md_file(&vault_path.join("AGENTS.md")).unwrap();
         // No frontmatter title → extracted from H1 heading
-        assert!(entry.title.contains("Vault Instructions"), "title should come from H1: {}", entry.title);
+        assert!(
+            entry.title.contains("Vault Instructions"),
+            "title should come from H1: {}",
+            entry.title
+        );
         // Config files have no frontmatter type field — type is None
         assert_eq!(entry.is_a, None);
     }